Door or window fastener



A. J. BIEGACKI.

' DOOR 0R WINDOW FASTENER. APPLICATION FILED FEB. 26, 1920.

31 354,876, Patented 0st,. 5, 1920.

UNITED STATES PATENT OFFICE.

DOOR 0R WINDOW FASTEN'ER.

Specification of Letters Patent.

Patented Oct. 5, 1920.

Application filed February 26, 1920. Serial No. 361,489.

and useful Improvements in Door or Window Fasteners, of which thefollowing is a specification.

This invention relates to an improved fastener and has for its object toprovide a device which is so constructed as to permit of it beingapplied to either a door or a window. The peculiar construction of thefastener allows the door or the window to be opened slightly.

In constructing the device the idea has been to provide a means wherebya door may be opened only suificiently to permit conversation to be hadand in the case of a window to allow ventilation and thereby prevent theentrance of unauthorized persons.

Further objects of the invention are in the provision of a device whichwill be simple and cheap of manufacture, durable,

eflicient in operation and attractive in appearance. o

members: keeper A, which is attached to the door or window, and a bar Bwhich is pivotally secured at one of its endsto a hinge member Csecuredto the door casing. The keeper A consists of a rectangular plate4: secured tothe door by screws 5 and provided with a pair of fingers 6which extend at right angles to the plate 4. Said fingers are spacedfrom each other sufiiciently to provide a rectangular slot 7 which isrestricted at its outer end by means of projections 8, and at its innerend said opening is extended laterally as shown at 9 for a purpose to behereinafter described. The fastener bar B is preferably made of heavywire which is so formed as to provide at one end lateral extensions 10,a restricted portion 11 and at a point near its opposite end with afurther restricted portion 12, and the separate ends of the wire arebent laterally and in opposite directions to each other and arepivotally confined within eyes 14 on the hinge member C, which consistsof a plate 15 provided with apertures whereby the same may be secured ina fixed position upon the door casing. In operation the fastener bar isswung so that it approaches a plane parallel to the door when the dooris in the closed position. The restricted portion 12 is snapped betweenthe fingers 6 of the keeper A. It will be noted that the space betweenthe fingers of the keeper A is of lesser width than the width of theportion 12 of the fastener bar, but due to the resiliency of the wirethe bar can be sprung therein. The door then may be swung open and inthe direction of the arrow D a slight distance due to the fact that theportion ,12 rides freely in the opening 7 of the keeper A and willcontinue to do so until it meets the shoulder 20 of the bar when furthermovement is prevented until the portion 11 of the bar is moved or swunginwardly sufliciently to allow it to ride in the opening 9 when the doormay be further opened until the lateral projections 10 meet the cornerformed by the fingers 6 and the plate 4 of the keeper A. When the deviceis not in use the bar B may be swung in the reverse direction and willthen lie in a plane parallel to the door casing. When applied to awindow the window may be opened until the projections on the bar stopagainst the keeper A.

It will thus be seen that a device is provided which will efi'ectivelyaccomplish the purpose set forth and that the device is 1. A fastenerfor closures comprising a swinging bar, and a keeper adapted to be fixedto the closure, said keeper having a pair of fingers with a slotbetween, said slot being open at its outer end and enlarged in width atits inner end, and the bar being slidable in said slot and havingprojections at its free end which will not pass through the enlargedpart of the slot, and

shoulders intermediate its ends which are engageable with the restrictedpart of the slot to form an intermediate stop permitting only slightopening of the closure.

2. A fastener for closures, comprising a swinging bar adapted to bepivoted at one end to the casing of the closure, and a keeper adapted tobe fixed to the closure, said keeper having a pair of fingers with anopen slot between in which the bar is s1idable the outer ends of thefingers projecting toward each other to restrict the Width of the slot,and the bar comprising opposite spaced spring members which may be 10sprung between the ends of the fingers and into the slot.

In testimony whereof I do 'afiix my signature in presence of twowitnesses.

ADOLPH J. BIEGACKI. Witnesses:

MARTIN BUDNIAK, JOHN A. BOMMHARDT.

